|1974 Norton Commando 850
The Norton Commando 850 was a very popular 1960's and 1970's model. It was sold as both the "Interstate" with a larger touring tank, and as the "Roadster" with a smaller sport tank. The Norton Commando has an 828 cc air-cooled twin engine with a 4-speed transmission. It was the last twin piston-engined motorcycle produced by the Norton-Villiers Motorcycle company. The revolutionary part of the Commando, compared to earlier Norton models, was the frame developed by engineer Dr. Stefan Bauer. The engine, gearbox and swing-arm assembly were isolated from the frame by special rubber mountings. This eliminated vibration problems and was referred to as the "Isolastic system". The poster below is from the early 70's.
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